[Bug 213371] panic: spin lock held too long

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213371

Konstantin Belousov <kib at FreeBSD.org> changed:

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                 CC|                            |kib at FreeBSD.org

--- Comment #62 from Konstantin Belousov <kib at FreeBSD.org> ---
(In reply to Wojciech Giel from comment #61)
I have no good suggestion about this case.

First, is it really true that all other CPUs are executing idle threads ? 
Might be there is one, besides the two IPI callers, which is not.

Second, look for update of your BIOS and reflash it.  Update the perc firmware
as well.

Third, try to boot e.g. from the USB disk, does it work ?  If system boots, try
to access the drives on the Perc controller.

Show verbose dmesg of the successful boot.

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